package com.atguigu.springcloud.alibaba.dao;

import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Param;

/**
 * @author xiangdd
 * @since 2021/12/27
 */
@Mapper
public interface StorageDao {

    void decrease(@Param("productId") Long productId, @Param("count") Integer count);


}
